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Prepayments and other assets (Details) - Schedule of prepayments and other assets - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of prepayments and other assets [Abstract] |  |
Prepayments | $ 2,850 | $ 3,859
Deposits | 1,215 | 1,389
Export tax receivable |  | 744
VAT recoverable | 715 | 729
Others | 163 | 814
Total of prepayments and other assets | $ 4,943 | $ 7,535

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